Discharges

Information about the regulation of the discharge of aquaculture effluent from freshwater pen or tank fish farms and hatcheries and marine pen fish farms.

Find out about the General Binding Rule (GBR 16) that applies to the direct discharge of pollutants into groundwater from construction or maintenance works in or on the ground which come into contact with groundwater.

Information about the discharge of hot tub and swimming pool effluent to the water environment.

Find out about the General Binding Rule (GBR 11) that applies to the discharge into a surface water drainage system.

Find out about the permit authorisation needed to carry out all other discharges not described elsewhere including the discharge of trade effluent, discharges from mines and quarries and discharges from water treatment works.

Find out about the authorisations needed for the discharge of sewage effluent to the water environment including the discharge of grey water and liquid from composting toilets.

Information about the activities we regulate that involve the discharge of sewage from combined sewer overflows, emergency overflows and from a sewer network.Information about the regulation of the discharge of sewage from combined sewer overflows, emergency overflows and from a sewer network.

This includes water run-off from construction sites, from built developments, from quarry and borrow pits, from rural land activities and from water bound roads.